About

An Industry Leader: Continually ranked by ENR as one of the top engineering firms in the nation, Psomas serves public and private sector clients in the transportation, water, facilities, land development, energy, and federal markets. Founded in 1946, we are a full-service consulting firm with offices in California, Arizona and Utah.

Innovation, Creativity, Sustainability: Our award-winning projects are produced through innovation, creativity and technical expertise. Sustainability is a key element in everything we do: in our project designs, in our staff training, and in our professional activities. It’s so ingrained in the Psomas culture that our motto is “balancing the natural and built environment.”